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[General] CMMC-CCA Latest Test Report, CMMC-CCA Free Sample

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【General】 CMMC-CCA Latest Test Report, CMMC-CCA Free Sample

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Cyber AB CMMC-CCA Exam Syllabus Topics:
TopicDetails
Topic 1
  • Assessing CMMC Level 2 Practices: This section of the exam measures skills of cybersecurity assessors in evaluating whether organizations meet the required practices of CMMC Level 2. It emphasizes applying CMMC model constructs, understanding model levels, domains, and implementation, and using evidence to determine compliance with established cybersecurity practices.
Topic 2
  • Evaluating Organizations Seeking Certification (OSC) against CMMC Level 2 Requirements: This section of the exam measures skills of cybersecurity assessors and focuses on evaluating the environments of organizations seeking certification at CMMC Level 2. It covers understanding differences between logical and physical settings, recognizing constraints in cloud, hybrid, on-premises, single, and multi-site environments, and knowing what environmental exclusions apply for Level 2 assessments.
Topic 3
  • CMMC Level 2 Assessment Scoping: This section of the exam measures skills of cybersecurity assessors and revolves around determining the proper scope of a CMMC assessment. It involves analyzing and categorizing Controlled Unclassified Information (CUI) assets, interpreting the Level 2 scoping guidelines, and making accurate judgments in scenario-based exercises to define what assets and systems fall within assessment boundaries.
Topic 4
  • CMMC Assessment Process (CAP): This section of the exam measures skills of compliance professionals and tests knowledge of the full assessment lifecycle. It covers the steps needed to plan, prepare, conduct, and report on a CMMC Level 2 assessment, including the phases of execution and how to document and follow up on findings in alignment with DoD and CMMC-AB expectations.

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Cyber AB Certified CMMC Assessor (CCA) Exam Sample Questions (Q64-Q69):NEW QUESTION # 64
An Assessor is evaluating controls put in place by an OSC to restrict the use of privileged accounts. The Assessor interviews privileged users and confirms that the OSC has both a policy and specific procedures governing the use of privileged accounts for security functions. What else could the Assessor evaluate to validate the assertions made by the interviewed OSC staff?
  • A. Test the processes for privileged accounts with privileged users
  • B. Examine the procedure assigning privileged roles to non-privileged functions
  • C. Test the processes for non-privileged accounts to perform privileged functions
  • D. Examine the system architecture of the OSC to identify privileged accounts
Answer: D
Explanation:
For AC.L2-3.1.7 (Restrict Use of Privileged Accounts), it is not enough to rely on interviews or documented procedures. The assessor must also Examine technical evidence to ensure that privileged accounts exist as described and are properly controlled. Reviewing system architecture, account listings, and role assignments validates that privileged access aligns with policy and that inappropriate assignments do not exist.
Exact extracts:
* "Assessment Objectives ... Determine if: privileged accounts are identified; privileged functions are restricted to privileged accounts; and use of privileged accounts is monitored."
* "Assessment Methods - Examine: account management policy; system architecture documentation; system security plan; privileged account listings."
* "Assessment Methods - Test: attempt to use non-privileged accounts to execute privileged functions." Expanded explanation:
Assessors typically proceed in layers:
* Interview: Confirm staff knowledge of policy and practice.
* Examine: Verify account structures in system architecture or AD group membership lists. This ensures the number and type of privileged accounts match staff descriptions.
* Test (if required): Confirm that non-privileged users cannot perform privileged actions.
Why other options are incorrect:
* B: Testing non-privileged accounts is useful but is not the next immediate validation step after confirming policy/procedures. Examination comes first.
* C: This phrasing implies giving privileged roles to non-privileged functions, which would itself be a finding.
* D: Testing with privileged users verifies activity monitoring, but not whether privileged accounts are properly scoped.
References:
CMMC Assessment Guide - Level 2, AC.L2-3.1.7 "Restrict Use of Privileged Accounts." NIST SP 800-171 Rev. 2, 3.1.7.

NEW QUESTION # 65
The SSP for an OSC undergoing an assessment categorizes a device in the inventory that wirelessly connects to the network. In order to secure the connection of wireless devices that access a system that transmits, stores, or processes CUI, what are the requirements?
  • A. Wireless access must be configured to use FIPS 140 validated cryptography and limited to authenticated users.
  • B. Wireless users must be specifically identified in network diagrams and configured to use FIPS 140 validated cryptography.
  • C. Wireless users must be vetted, and an Access Control List maintained for access to CUI.
  • D. Wireless access must be configured to use FIPS 140 validated cryptography.
Answer: A
Explanation:
Wireless access to systems transmitting, processing, or storing CUI must be protected with FIPS 140- validated cryptography and access must be limited to authenticated users. This ensures confidentiality and integrity of CUI while preventing unauthorized wireless access.
Exact Extracts (official CMMC Assessor/Study documents):
* SC.L2-3.13.13: "Employ FIPS-validated cryptography when used to protect the confidentiality of CUI."
* AC.L2-3.1.1 / 3.1.2: "Limit system access to authorized users... and authenticate the identities of those users."
* SC.L2-3.13.17: "rotect wireless access to the system using authentication and encryption."
* Assessment Guide clarifies: "Wireless access must use FIPS 140 validated cryptographic modules and must be restricted to authenticated users." Why other options are not correct:
* A: Only requires encryption; does not address authenticated access, which is mandatory.
* B: Vetting and access lists may be useful, but they are not sufficient substitutes for cryptographic and authentication requirements.
* D: Identifying users in diagrams is good documentation practice but not a CMMC requirement for wireless protection.
References (official CCA/CMMC documents):
* CMMC Assessment Guide - Level 2, Version 2.13: Practices SC.L2-3.13.13 and SC.L2-3.13.17 (pp.
134-136).
* NIST SP 800-171A, Assessment Objectives for wireless access and cryptographic requirements.

NEW QUESTION # 66
An OSC is looking to bid for a contract to manufacture turboprop engines for an unmanned aerial vehicle (UAV) fleet used by the Army for long-range reconnaissance. To manage production, the OSC will use Industrial Control Systems (ICS) and has documented them in its Operational Technology (OT) inventory.
While validating the OSC's proposed assessment scope, the Assessment Team reviews their SSP. How should the C3PAO Assessment Team handle the OSC's OT during the assessment?
  • A. Accept the OSC's documentation of policies and procedures as they are.
  • B. Assess them against CA.L2-3.12.3 - Security Control Monitoring.
  • C. Assess them against all CMMC practices.
  • D. Review the SSP and not assess the OT against other CMMC practices.
Answer: D
Explanation:
Comprehensive and Detailed Explanation:
Operational Technology (OT), like ICS, is categorized as a Specialized Asset in the CMMC Assessment Scope - Level 2. These assets are in scope but not assessed against the full 110 CMMC practices unless they process, store, or transmit CUI (not specified here). Instead, they must be reviewed in the SSP per CA.L2-
3.12.4 to ensure risk-based management. Option A lacks rigor, Option B limits to one practice incorrectly, and Option C overextends the requirement. D is correct per the scoping guide.
Reference:
CMMC Assessment Scope - Level 2, Section 2.3.4 (Specialized Assets), p. 6: "OT is reviewed in the SSP per CA.L2-3.12.4, not assessed against other practices."

NEW QUESTION # 67
In assessing an OSC's CUI handling practices, you learn they use an approved algorithm (AES-256) to encrypt the data to ensure its confidentiality. However, the encryption module they are using has not been validated under the FIPS 140 standard. The OSC believes that using an approved algorithm is sufficient to comply with the CMMC practice for CUI encryption requirements. Which of the following would be the most appropriate next step for the assessor?
  • A. Test the encryption mechanism by attempting to decrypt the encrypted data without the proper keys
  • B. Interview personnel responsible for cryptographic protection to determine if FIPS-validated cryptography is used elsewhere in the organization
  • C. Recommend that the OSC switch to a different, approved algorithm
  • D. Accept the OSC's implementation as compliant, given that they are using a strong encryption algorithm
Answer: B
Explanation:
Comprehensive and Detailed In-Depth Explanation:
SC.L2-3.13.11 requires "FIPS-validated cryptography for CUI." AES-256 alone isn't sufficient without FIPS
140 validation. Interviewing personnel (A) clarifies if validated cryptography is used elsewhere, aiding compliance assessment. Testing decryption (B) is impractical, switching algorithms (C) misses the validation issue, and accepting (D) ignores FIPS requirements. The CMMC guide prioritizes interviews for evidence gathering.
Extract from Official CMMC Documentation:
* CMMC Assessment Guide Level 2 (v2.0), SC.L2-3.13.11: "Interview personnel to verify FIPS- validated cryptography usage."
* NIST SP 800-171A, 3.13.11: "Assess cryptographic practices via interviews." Resources:
* https://dodcio.defense.gov/Porta ... AG_Level2_MasterV2.
0_FINAL_202112016_508.pdf

NEW QUESTION # 68
You are evaluating an OSC for compliance with CMMC Level 2 practices. During your assessment of SC controls, you use a series of assessment methods to understand how effectively the OSC has implemented them. The OSC has a documented security policy outlining user roles and responsibilities. The OSC's system and communications protection policy states that basic user and privileged functionalities are separated. They have deployed Azure AD to help enforce this requirement through identity management. Interviews with system administrators reveal they have elevated privileges for system management tasks. A review of system configuration settings shows separate user accounts for standard users and administrators. However, you notice that some employees use personal cloud storage services for storing work documents. Considering CMMC practice SC.L2-3.13.4 - Shared Resource Control, which of the following actions would be most effective in addressing the identified risk?
  • A. Developing and enforcing a policy that prohibits the use of personal cloud storage for work documents
  • B. Implementing stricter password complexity requirements for user accounts
  • C. Conducting a vulnerability assessment of the OSC's network infrastructure
  • D. Providing additional security awareness training to employees on data handling best practices
Answer: A
Explanation:
Comprehensive and Detailed In-Depth Explanation:
SC.L2-3.13.4 aims to "prevent unauthorized and unintended information transfer via shared system resources." Employees using personal cloud storage for work documents (including CUI) risks unauthorized transfer outside organizational control, violating this practice. Prohibiting such use via policy directly addresses the root cause, aligning with the practice's intent to control shared resource risks. Stricter passwords (A) don't prevent data transfer, vulnerability assessments (B) identify issues but don't fix behavior, and training (C) supports awareness but lacks enforcement. The CMMC guide emphasizes policy enforcement for resource control.
Extract from Official CMMC Documentation:
* CMMC Assessment Guide Level 2 (v2.0), SC.L2-3.13.4: "Develop policies to prevent unauthorized information transfer via shared resources."
* NIST SP 800-171A, 3.13.4: "Examine policies prohibiting use of unapproved shared resources for CUI." Resources:
* https://dodcio.defense.gov/Porta ... AG_Level2_MasterV2.
0_FINAL_202112016_508.pdf

NEW QUESTION # 69
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